Average Co-Inventor Count = 8.73
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Other (1 from 832,843 patents)
2. American Express Travel Related Services Company, Inc. (1 from 1,453 patents)
2 patents:
1. 7905399 - Linking transaction cards with spending accounts
2. 7607583 - Clear contactless card